Research Abstracts

This study gathers experimental results that illustrate the efficiency of ultrafiltration in the purification of aqueous solutions of metal ions beforehand complexed on water-soluble macromolecular substrate. For this purpose, a commercial polyethersulfone ultrafiltration membrane is employed in a m

The casting solution of an organic–inorganic microporous membrane was formed by dispersing a small quantity of fine alumina particles in a solution of poly(vinylidene fluoride) (PVDF) and dimethylacetamide (DMAC). The modified membranes were prepared by a phase inversion process and their characteri

A study of the scale inhibition in water solutions induced by a galvanic device known as the “allotropic cell” is presented. The scale inhibition effect is related to the release of metal ion impurities of Zn+2 and Cu+2 from the surface of the device. An induced crystal structure modification of the

Desalination of seawater and NaCl solutions is of great interest as potable water sources are dramatically declining on earth. Most of the techniques used to decontaminate water involve polymeric membranes and expensive desalination processes. To improve thermal, chemical and physical resistance of

According to the parameter characteristics of electricity–water cogeneration power plants, an enhanced multistage flash (E-MSF) seawater desalination system was proposed which considered the advantage of a multiple effect distillation (MED) seawater desalination system. The main improvement ideas of

Recently, computational fluid dynamics (CFD) models of flows in membrane channels have been proposed and validated against published simplified models available in the literature. In this paper, experimental and numerical analysis is performed for a reverse osmosis (RO) module and results compared i

The paper comprises a case study on the implementation of the advance treatment process (ATP) in seven smallscale textile industries. The ATPs installed and commissioned are in compliance with the Statutory Board directions for recovery and reuse of treated effluent leading to zero effluent discharg

Multi-stage flash desalination plants consist of many complex parts and equipment. In general, the process of producing water passes through many steps until the final product, which is distillate water, is obtained. At the present, troubleshooting in MSF plants relies on expert operators in the pla

Gas sparging and back-flushing treatments were compared as a means to tackle the problem of fouling in yeast microfiltration. Based on the feed and membrane characteristics, it was shown that either of these techniques could be superior to the other in order to overcome the problem. At more concentr

The European Commission has presented a list of priority substances in addition to the Water Framework Directive (WFD) adopted in December 2000. The list of priority substances is a matter of continuous review hence other relevant substances identified as hazardous can be implemented for regulation.